I spent six hours with OAuth yesterday.
If you are deploying native mobile applications, run in this direction.
If you want to secure API connections to SaaS applications, Web applications or even desktop applications, run in this direction.
If you are examining OpenID Connect, or peering into User Managed Access, run in this direction.
My odd-couple colleagues Brian Campbell, principal architect, and Paul Madsen, senior technical architect, presented the ins and outs, the short grass and the tall weeds on the protocol, which should actually be thought of as a framework.
While the presentation was internal, here are a few webinars you can check out for most of the details. See here and here (registration required, including OpenID, Twitter, LinkedIn, Facebook, Google, Yahoo, Windows Live).
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